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COGIS - PIT INFORMATION

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VENRICK "A" - #117801 Information

Status: AC - 4/10/2020

Facility ID:

117801

Facility Name/No:

VENRICK "A" /

Operator Name/No:

IMPETRO RESOURCES LLC/10690

Facility Status/Date:

AC / (4/10/2020)

County Name/No:

WASHINGTON / 121

Location:

CNW 25 1N54W

Field Name/No:

RAGO NORTH / 71850

Lat/Long:

Pit Use:

Offsite Disposal:

N/A

Existing Site Conditions

Sensitive Area:

Land Use:

Dist. to Surface Water:

Depth to Ground Water:

Dist. to Water Wells:

Pit Design and Construction Data

Size of Pit (feet):

Depth:

ft.

Length:

ft.

Width:

ft.

Calc. PIT Capacity (bbls/day):

Daily Disposal Rates (bbls/day)

Evap:

Perc:

Pit Type:

UnLined

Liner Material:

Thickness:

Treatment Method:

Pit Covering Fence:

Net:

Comment:

Changed status to AC per Pit Evaluation Form 2087565, YoungR 4/10/20.

Rule 909.j Inspection Information

Form 43 Document #	Pit Inspection Date	Unlined	Lined	Fenced	Netted
403260017	12/01/2022	X
404434383	09/29/2025	X

Rule 909.j Sample Data

Form 43 Doc#: 403260017 Facility ID: 235585 API#: 121-08075 Oil/Gas Well Name: VENRICK 2-A
Sample ID: 644188 Sample Date: 09/29/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Origins

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E200.8	BARIUM	185	ug/L	1
E200.8	BORON	1990	ug/L	100
E200.8	CALCIUM	1230	ug/L	100
E200.8	IRON	278	ug/L	10
E200.8	MAGNESIUM	203	ug/L	100
E200.8	MANGANESE	15.1	ug/L	1
E200.8	POTASSIUM	2700	ug/L	100
E200.8	SELENIUM	ND	ug/L	0.1	ND
E200.8	SODIUM	54800	ug/L	2000
E200.8	STRONTIUM	84.8	ug/L	10
E300.0	BROMIDE	1.2	mg/L	0.13
E300.0	CHLORIDE	165	mg/L	10
E300.0	FLUORIDE	6.9	mg/L	0.25
E300.0	NITRATE	ND	mg/L	0.031	ND
E300.0	NITRITE	ND	mg/L	0.075	ND
E300.0	SULFATE	ND	mg/L	2	ND
E365.4	PHOSPHORUS	0.205	mg/L	0.02
E903.1	226RADIUM	0.885	pCi/L	0.226
E904.0	228RADIUM	1.97	pCi/L	1.48
SM2320B	BICARBONATE ALKALINITY as CACO3	1070	mg/L	1.45
SM2320B	Carbonate as CaCO3	ND	mg/L	1.45	ND
SM2320B	TOTAL ALKALINITY AS CACO3	1070	mg/L	1.45
SM2510B	SPECIFIC CONDUCTIVITY	2230	uS/cm
SM2540C	TOTAL DISSOLVED SOLIDS	1470	mg/L	5
SM2540D	TOTAL SUSPENDED SOLIDS	14	mg/L	5
SW8015	TEPH DIESEL RANGE ORGANICS	ND	mg/L	5	ND
SW8015	TEPH MOTOR OIL RANGE ORGANICS	ND	mg/L	10	ND
SW8260	BENZENE	1.92	ug/L	1
SW8260	ETHYLBENZENE	3.21	ug/L	1
SW8260	NAPHTHALENE	ND	ug/L	10	ND
SW8260	TOLUENE	7.33	ug/L	1
SW8260	TOTAL XYLENES	47	ug/L	2
SW8260	TVPH - Gasoline Range Organics	1380	ug/L	200
SW9040	PH, LAB	8.19	pH Units

Form 43 Doc#: 404434383 Facility ID: 235585 API#: 121-08075 Oil/Gas Well Name: VENRICK 2-A
Sample ID: 672398 Sample Date: 09/29/2025 Sample Reason: Rule 909.j subsequent sample Matrix: WATER Lab: Elevation Diagnostics

Method Code	Param Description	Result Value	Units	Detection Limit	Qualifier
E300.0	BROMIDE	1.45	mg/L	0.05
E300.0	CHLORIDE	163.39	mg/L	0.05
E300.0	FLUORIDE	7.04	mg/L	0.05
E300.0	NITRATE	ND	mg/L	0.5	<
E300.0	NITRITE	ND	mg/L	0.5	<
E300.0	SULFATE	ND	mg/L	0.5	<
E903.1	226RADIUM	0.526	pCi/L	1
E904.0	228RADIUM	2.52	pCi/L	3
SM2320B	BICARBONATE ALKALINITY as CACO3	1052.69	mg/L as CaCO3	1
SM2320B	Carbonate as CaCO3	57.12	mg/L as CaCO3	1
SM2320B	TOTAL ALKALINITY AS CACO3	1109.82	mg/L as CaCO3	1
SM2540C	TOTAL DISSOLVED SOLIDS	1412	mg/L	10
SM2540D	TOTAL SUSPENDED SOLIDS	14	mg/L	4
SW6020	BARIUM	138.94	ug/L	0.283
SW6020	BORON	1783.04	ug/L	10
SW6020	CALCIUM	1944.6	ug/L	20
SW6020	IRON	529.19	ug/L	10
SW6020	MAGNESIUM	ND	ug/L	200	<
SW6020	MANGANESE	13.41	ug/L	0.5
SW6020	PHOSPHORUS	ND	ug/L	100	<
SW6020	POTASSIUM	2785.79	ug/L	25
SW6020	SELENIUM	ND	ug/L	9.85	ND
SW6020	SODIUM	687888	ug/L	20
SW6020	STRONTIUM	76.59	ug/L	0.25
SW8015	TEPH DIESEL RANGE ORGANICS	0.79	mg/L	0.613
SW8015	TEPH MOTOR OIL RANGE ORGANICS	ND	mg/L	12.264	<
SW8260	BENZENE	2.18	ug/L	1
SW8260	ETHYLBENZENE	2.39	ug/L	1
SW8260	NAPHTHALENE	5.24	ug/L	0.5
SW8260	TOLUENE	5.39	ug/L	1
SW8260	TOTAL XYLENES	35.38	ug/L	2.8
SW8260	TVPH - Gasoline Range Organics	620.58	ug/L	225.8
SW9040	PH, LAB	8.52	pH Units	0.01	H1
SW9050	SPECIFIC CONDUCTIVITY	2040	uS/cm	20

COGIS

Facility Detail

COGIS - PIT INFORMATION

Form 43 Doc#: 403260017 Facility ID: 235585 API#: 121-08075 Oil/Gas Well Name: VENRICK 2-A Sample ID: 644188 Sample Date: 09/29/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Origins

Form 43 Doc#: 404434383 Facility ID: 235585 API#: 121-08075 Oil/Gas Well Name: VENRICK 2-A Sample ID: 672398 Sample Date: 09/29/2025 Sample Reason: Rule 909.j subsequent sample Matrix: WATER Lab: Elevation Diagnostics

Form 43 Doc#: 403260017 Facility ID: 235585 API#: 121-08075 Oil/Gas Well Name: VENRICK 2-A
Sample ID: 644188 Sample Date: 09/29/2022 Sample Reason: Rule 909.j initial sample Matrix: WATER Lab: Origins

Form 43 Doc#: 404434383 Facility ID: 235585 API#: 121-08075 Oil/Gas Well Name: VENRICK 2-A
Sample ID: 672398 Sample Date: 09/29/2025 Sample Reason: Rule 909.j subsequent sample Matrix: WATER Lab: Elevation Diagnostics